/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pegasus.rpc;

import java.nio.ByteBuffer;

public class ThriftHeader {
  public static final int HEADER_LENGTH = 16;
  static final byte[] HEADER_TYPE = {'T', 'H', 'F', 'T'};
  public int version = 1;
  public int meta_length;
  public int body_length;

  public byte[] toByteArray() {
    ByteBuffer bf = ByteBuffer.allocate(HEADER_LENGTH);
    bf.put(HEADER_TYPE);
    bf.putInt(version);
    bf.putInt(meta_length);
    bf.putInt(body_length);
    return bf.array();
  }
}
